Gruber, J., Kim, J., & Mayzlin, D. (1998). Physician fees and procedure intensity: The case of cesarean delivery. National Bureau of Economic Research.
Chicago-viite (17. p.)Gruber, Jon, John Kim, ja Dina Mayzlin. Physician Fees and Procedure Intensity: The Case of Cesarean Delivery. Cambridge: National Bureau of Economic Research, 1998.
MLA-viite (9. p.)Gruber, Jon, et al. Physician Fees and Procedure Intensity: The Case of Cesarean Delivery. National Bureau of Economic Research, 1998.
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